﻿// Copyright (c) 2010 Dan Popick

// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;

namespace Open.Web.Stijl.Css
{
    public class Declaration: CssElement
    {
        public string Identifier { get; private set; }
        public List<object> Values { get; private set; }

        public Declaration(string ident, List<object> args)
        {
            Identifier = ident;
            Values = args;
        }

        public bool HasValue<T>(Func<T, bool> predicate)
        {
            return Values.OfType<T>().Any(predicate);
        }

        public bool HasValue(string argValue)
        {
            return HasValue<string>(x => x.Equals(argValue, StringComparison.OrdinalIgnoreCase));
        }

        public override string ToString()
        {
            return String.Join(" ", Values.ConvertAll(x => x.ToString()).ToArray());
        }

        public override void Write(TextWriter tw)
        {
            if (Values == null || Values.Count == 0)
                return;

            tw.Write(Identifier);
            tw.Write(": ");
            WriteObject(tw, Values[0]);
            for (int i = 1; i < Values.Count; ++i)
            {
                tw.Write(' ');
                WriteObject(tw, Values[i]);
            }
        }
    }
}
